https://bugs.kde.org/show_bug.cgi?id=414420
Bug ID: 414420
Summary: Date/time in sidecar files for Videos seems to be
ignored by digikam
Product: digikam
Version: 6.4.0
Platform: Appimage
OS: Linux
Status: REPORTED
Severity: minor
Priority: NOR
Component: Metadata-Video
Assignee: digikam-bugs-n...@kde.org
Reporter: iwannaber...@gmail.com
Target Milestone: ---
Created attachment 124074
--> https://bugs.kde.org/attachment.cgi?id=124074&action=edit
DSCN1382.xmp
SUMMARY
Since metadata in video files cannot be directly written to files, I thought of
using XMP sidecar files for correcting their date and add some tags. I don't
know if that is a legitimate use of sidecars, but I guess it can't harm.
In any case, most of my video files, specially those from older cameras, have
wrong dates. Enabling the option to write to sidecar files in the settings, and
using the metadata editor, I can change the three XMP dates for the video files
(but not EXIF and IPTC, which are greyed out), and those changes are saved in
the sidecar. However, in digikam the video file still shows the older date.
Moreover, I found out that using the "Adjust Time Date" tool, I can also save
that date in the EXIF information in the sidecar. Now, I don't know if that
makes sense or not, but apparently that info is also saved in the sidecar. In
any case, digikam ignores that information as well, and still uses the old date
for the video file.
However, I am pretty sure digikam actually reads the sidecar file, since there
is a Tag stored in it, and digikam sees it.
I have attached a sample video file and its sidecar. In digikam, the date reads
2003-01-01, but the real date should be 2004-04-08. If you check the sidecar,
you can see the 2004 date in several fields. There is also the tag "Andorra" in
the sidecar which digikam seems to read correctly.
STEPS TO REPRODUCE
1. Enable reading and writing to sidecar files in the settings.
2. Select a video file, use the metadata editor, and change the three XMP Dates
to some specific day (the three should be the same). Apply changes.
3. Observe how a sidecar has been created, and if you check the contents, the
new dates are there.
OBSERVED RESULT
Digikam still uses the old date for that video.
EXPECTED RESULT
Digikam should use the new XMP date for the video file.
SOFTWARE/OS VERSIONS
Linux/KDE Plasma: Digikam 6.4.0 (stable) appimage in Ubuntu 18.04 LTS with
Unity DE.
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